Concept map of the Arab Empire, from its expansion in the 7th century to the conquest of vast territories in the East, North Africa and Spain. The map explains the main reasons for Arab expansion, the organization of conquered territories, the role of the Arabic language and Islam as elements of unity, and the Sharia. It also explains the division between Sunnis and Shiites, the Arab army, and the use of slaves and mercenaries. The map covers the conquest of Sicily and Spain and the decline of the Empire, with the arrival of the Turks in Arab territories in the East during the 11th century. A clear and simple resource for studying and reviewing medieval history.